Effectiveness of a Positive Psychology-Based Happiness Activity Guidebook
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Abstract
Working-age individuals in Thailand are experiencing increased stress and pressure, particularly during the COVID-19 crisis. While positive psychology approaches are recognized for enhancing mental well-being, there is a lack of concrete activity manuals suitable for Thai cultural contexts. This research and development study aimed to 1) develop a positive psychology-based happiness activity manual and 2) evaluate its effectiveness in reducing stress and increasing mental health resilience among working adults. The study was conducted in three phases: First, developing a draft manual through literature review and in-depth interviews with six mental health and psychiatric experts to gather essential components and culturally appropriate activities. Second, improving manual quality through content validity assessment by five experts in positive psychology, mental health, and adult learning. Third, evaluating manual effectiveness using a one-group pretest-posttest quasi-experimental design. The sample comprised 211 personnel from the Office of the Permanent Secretary for Defence, selected through convenience sampling. Data were collected between August and September 2024 using the Stress Test-5 (ST5) and Resilience Quotient (RQ) questionnaires. The intervention consisted of ten sessions incorporating positive psychology activities such as mindfulness, gratitude practice, and strength-based exercises. Results showed that the manual demonstrated high content validity (IOC = 0.8-1.0). After participating in the activities, participants showed statistically significant decreases in stress scores and increases in mental health resilience scores (p<0.001). These findings demonstrate the effectiveness of the positive psychology-based happiness activity manual in promoting mental well-being. Organizations interested in implementing this manual should consider facilitator capacity building, activity continuity, and establishing organizational support systems for sustainable outcomes.
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บทความที่ปรากฏในวารสารนี้ เป็นความรับผิดชอบของผู้เขียน ซึ่งสมาคมนักวิจัยไม่จำเป็นต้องเห็นด้วยเสมอไป การนำเสนอผลงานวิจัยและบทความในวารสารนี้ไปเผยแพร่สามารถกระทำได้ โดยระบุแหล่งอ้างอิงจาก "วารสารสมาคมนักวิจัย"
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